Use this procedure to gain access to components on the system board such as memory DIMMs, the battery and the Clear CMOS/BIOS recovery jumper. You can also use this procedure to learn how to remove drives when updating to different or higher capacity drives.
Remove the PCI riser. Do not remove any installed adapters from the riser.
Remove the three screws holding the hard disk drive tray.
Unplug the flat cable attached to the small circuit board at the front.
Remove the two screws holding the CD and diskette drive tray.
Due to cable length limitations, both drive trays must slide outward together. Slide both drive trays out far enough to access the system board. This might require disconnecting cables that are connected to the drives and to the system board. Note where the cables are connected before disconnecting them.